code: def __init__(self, model, **args):
      super().__init__(model)
      self.forward_model = self.model.model
      self.frequent_query = args["frequent_query"]
      self.pad_token_for_retrieval = args["pad_tokens"]
      self.store_retrieved = args["store_retrieved"]
      self.store = dist.FileStore("/tmp/filestore_eval", -1)
      self.store.set("neighbors", str(args["neighbors"]))
      self.megatron_lm_compatible = args["megatron_lm_compatible"]
      combo_cfg = args["combo_service"]
      self.service = ComboRetrievalService(
          tokenizer=self.model.tokenizer,
          service_ip=combo_cfg["service_ip"],
          service_port=combo_cfg["service_port"],
      )
      self.retrieved = []
      self.retrieved_text = []
      self.chunk_size = self.model.cfg.chunk_size
  
imports: import json
  import pickle
  from typing import List, Tuple
  import numpy
  import torch
  import torch.distributed
  from nemo.collections.nlp.modules.common.lm_utils import pad_batch
  from nemo.collections.nlp.modules.common.megatron.retrieval_services.retrieval_service import ComboRetrievalService
  from nemo.collections.nlp.modules.common.text_generation_strategy import TextGenerationStrategy
label_desc: Use image node_id 1 to create a new RetroModelTextGenerationStrategy object from inherited base classes: TextGenerationStrategy with example: obj = RetroModelTextGenerationStrategy(model)